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test_destruct.html
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test_destruct.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>3D.CITY destructor</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<style>
html { width:100%; height:100%; }
body { padding:0; margin: 0px; background:#6666e6; font:12px sans-serif; width:100%; height:100%; color:#fff; overflow: hidden;}
#debug{ position:absolute; padding:10px; right:0; bottom:0; text-align:right; width:20%; pointer-events:none; display:block; }
#log{ position:absolute; padding:10px; left:0; bottom:0; width:30%; pointer-events:none; display:block;}
#hub{ position:absolute; top:0; left:0; height:100%; width:100%; pointer-events:none; display:block; text-align:center;}
#top{ position:absolute; top:10px; left:10px; height:20px; width:100px; pointer-events:auto; cursor:pointer; display:block; text-align:center; font-size: 16px; background: #606060; padding: 10px;}
#destroy{ position:absolute; top:60px; left:10px; height:20px; width:100px; pointer-events:auto; cursor:pointer; display:block; text-align:center; font-size: 16px; background: #404040; padding: 10px;}
#burn{ position:absolute; top:110px; left:10px; height:20px; width:100px; pointer-events:auto; cursor:pointer; display:block; text-align:center; font-size: 16px; background: #cc4040; padding: 10px;}
</style>
<script src="js/three.min.js"></script>
<script src="js/sea3d.min.js"></script>
<script src="js/ShaderParticles.min.js"></script>
<script src="src3d/view3d.js"></script>
</head>
<body>
<div id="container"></div>
<div id="debug">pre alpha 0.76</div>
<div id="log">loth 2014</div>
<div id="hub"></div>
<div id="top">New building</div>
<div id="destroy">Destroy</div>
<div id="burn">Burn</div>
<script>
var l = document.getElementById('log');
var view3d;
var hub = null;
var obj = null;
var timestep = 1000/60;
var timer;
var time;
var maxDecal;
var posDecal;
var finalColor;
var ncolor = 1;
var reflectionCube;
var isDestroy = false;
var isBurn = false;
var objInfo;
var environment;
var snd_destroy = new Audio("./sound/explosion-low.mp3");
var snd_destroy2 = new Audio("./sound/explosion-high.mp3");
window.onload = init;
function init(){
view3d = new V3D.Base();
document.getElementById('top').addEventListener('click', function ( e ) {e.preventDefault(); newObject(); }, false);
document.getElementById('destroy').addEventListener('click', function ( e ) {e.preventDefault(); destroy(); }, false);
document.getElementById('burn').addEventListener('click', function ( e ) {e.preventDefault(); burning(); }, false);
}
function log(txt){ l.innerHTML = txt || ''; }
function start() {
loop();
view3d.center = new THREE.Vector3(0,1,0);
view3d.cam.distance = 10;
view3d.cam.vertical = 85;
view3d.moveCamera();
var c3 = document.createElement("canvas");
ctx = c3.getContext("2d");
c3.width = c3.height = 64;
ctx.rect(0, 0, 64, 64);
ctx.fillStyle = "#cc7f66";
ctx.fill();
environment = new THREE.Texture(c3, THREE.SphericalReflectionMapping );
environment.needsUpdate = true;
var mesh = new THREE.Mesh( new THREE.PlaneBufferGeometry( 30, 30 ), new THREE.MeshBasicMaterial( {color:0xcc7f66} ) );
mesh.geometry.applyMatrix(new THREE.Matrix4().makeRotationX( - Math.PI / 2 ));
view3d.scene.add( mesh );
newObject();
}
function newObject() {
if(obj !== null ){
clearInterval(timer);
obj.geometry.dispose();
obj.material.dispose();
view3d.scene.remove(obj);
}
if(particleGroup){
particleGroup.removeEmitter(emitter);
particleGroup.removeEmitter(atmosphereBurnEmitter);
emitter.reset();
atmosphereBurnEmitter.reset();
view3d.scene.remove( particleGroup.mesh );
}
obj = view3d.getRandomObject();
view3d.scene.add(obj);
obj.material.reflectivity = 0;
obj.material.combine = THREE.MixOperation;
obj.material.envMap = environment;
obj.material.side = THREE.DoubleSide;
obj.geometry.computeBoundingBox();
var box = obj.geometry.boundingBox;
objInfo= [Number(box.max.y.toFixed(2)), Number(box.min.y.toFixed(2)), Number((box.max.x + Math.abs(box.min.x)).toFixed(2)), Number((box.max.z + Math.abs(box.min.z)).toFixed(2)), obj.geometry.vertices.length];
if(objInfo[2] == 4) posDecal = 0.5;
else if(objInfo[2] == 6) posDecal = 1.5;
else posDecal = 0;
view3d.center = new THREE.Vector3(posDecal,0.5,posDecal);
view3d.moveCamera();
log("name:" + obj.name + " ar: " + objInfo );
isDestroy = false;
isBurn = false;
}
function burning() {
if(!isBurn && !isDestroy){
isBurn = true;
time = 5;
maxDecal = Math.abs((objInfo[0]/time)*17);
if(timer) clearInterval(timer);
timer = setInterval(destroyCycle, timestep);
initParticles();
snd_destroy.play();
}
}
function destroy() {
if(!isDestroy && !isBurn ){
isDestroy = true;
time = 1;
maxDecal = Math.abs((objInfo[0]/time)*15);
//console.log(maxDecal)
if(timer)clearInterval(timer);
timer = setInterval(destroyCycle, timestep);
initParticles();
snd_destroy2.play();
}
}
function destroyCycle() {
//var vec = obj.geometry.vertices;
//var maxDecal = Math.abs((objInfo[0]*100)/time);
if(isBurn){
}
//var i = obj.geometry.faces.length;
var i = objInfo[4];//obj.geometry.vertices.length;
var v, r, f;
/*while(i--){
r = randRange(0, 20);
f = obj.geometry.faces[i];
if (vec[f.a].y > 0 ) vec[f.a].y -=r/1000;
if (vec[f.b].y > 0 ) vec[f.b].y -=r/1000;
if (vec[f.c].y > 0 ) vec[f.c].y -=r/1000;
}*/
while(i--){
r = randRange(1, maxDecal);
v = obj.geometry.vertices[i];
if (v.y > 0.02 ) v.y-=r/1000;
else v.y = 0.02;
}
//var color = obj.material.color.getHex();
//if(color>0x000000)
//obj.material.color.lerp(finalColor, ncolor);//.setHex(color-0x010101);
//obj.material.color.lerp("black", 0.01);
if(obj.material.reflectivity<1)obj.material.reflectivity+=0.005/time;
obj.geometry.computeFaceNormals();
obj.geometry.computeVertexNormals();
obj.geometry.verticesNeedUpdate = true;
}
function randRange(min, max) {
return Math.floor(Math.random() * (max - min + 1)) + min;
}
function burn() {
}
function loop() {
requestAnimationFrame( loop, view3d.renderer.domElement );
if(particleGroup)particleGroup.tick( view3d.clock.getDelta() );
view3d.renderer.render( view3d.scene, view3d.camera );
}
var emitter, particleGroup, atmosphereBurnEmitter;
function initParticles() {
var height = objInfo[1];
var size = objInfo[2];
var duration = time;
var nParticule =Math.abs(( height + size)*10);//+(objInfo[4]/4));
var acc = 0.5 + height*0.5;
var colors = ['white','gray','black'];
var pSize = [0.5, 5, 0];
if(isBurn){
colors = ['blue','yellow','red'];
pSize = [0.5, 10, 0];
duration +=2;
acc = 1+ height*0.5;
}
particleGroup = new SPE.Group({
texture: THREE.ImageUtils.loadTexture('./img/smoke.png'),
maxAge: 2,
depthWrite: 0,
depthTest: 0,
transparent: 1
});
emitter = new SPE.Emitter({
type: 'cube',
radius: size,
position: new THREE.Vector3(posDecal, 0, posDecal),
positionSpread: new THREE.Vector3( size*0.8, height , size*0.8 ),
acceleration: new THREE.Vector3(0, acc, 0),
accelerationSpread: new THREE.Vector3( 0, 0, 0 ),
velocity: new THREE.Vector3(0, 0, 0),
velocitySpread: new THREE.Vector3(0, 0, 0),
// Color tests
colorStart: new THREE.Color( colors[0] ),
colorStartSpread: new THREE.Vector3(0, 0, 0),
colorMiddle: new THREE.Color( colors[1] ),
colorMiddleSpread: new THREE.Vector3(0, 0, 0),
colorEnd: new THREE.Color( colors[2] ),
colorEndSpread: new THREE.Vector3(0, 0, 0),
// Size tests
sizeStart: pSize[0],
sizeStartSpread: 0,
sizeMiddle: pSize[1],
sizeMiddleSpread: 0.2,
sizeEnd: pSize[2],
sizeEndSpread: 0,
// Opacity tests
opacityStart: 0,
opacityStartSpread: 0,
opacityMiddle: 0,
opacityMiddleSpread: 1,
opacityEnd: 1,
opacityEndSpread: 0,
particleCount: nParticule,
duration: duration
// Angle tests
// angleStart: Math.PI * 0.5,
// angleStartSpread: Math.PI * 2,
// angleMiddle: 0,
// angleMiddleSpread: Math.PI * 2,
// angleEnd: Math.PI * 1.5,
// angleEndSpread: Math.PI * 1.5
});
atmosphereBurnEmitter = new SPE.Emitter({
type: 'cube',
radius:size,
position: new THREE.Vector3(posDecal, 0.2, posDecal ),
positionSpread: new THREE.Vector3( size, 1, size ),
acceleration: new THREE.Vector3( 0, acc/5, 0 ),
velocitySpread: new THREE.Vector3( 1, 0, 0 ),
sizeStart:0.1,
particleCount: nParticule,
duration: duration*1.5
});
//
particleGroup.addEmitter( emitter );
particleGroup.addEmitter( atmosphereBurnEmitter );
view3d.scene.add( particleGroup.mesh );
}
</script>
</body>
</html>